Last modified by Bei Jinggeng on 2024/05/31 09:53
<
From version < 104.1 >
edited by Edwin Chen
on 2022/09/08 23:13
To version < 108.11 >
edited by Xiaoling
on 2023/04/04 13:39
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
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1 -XWiki.Edwin
1 +XWiki.Xiaoling
Content
... ... @@ -16,7 +16,6 @@
16 16  
17 17  = 1.  Introduction =
18 18  
19 -
20 20  == 1.1 ​ What is NDDS75 Distance Detection Sensor ==
21 21  
22 22  (((
... ... @@ -54,7 +54,6 @@
54 54  [[image:1657327959271-447.png]]
55 55  
56 56  
57 -
58 58  == 1.2 ​ Features ==
59 59  
60 60  
... ... @@ -71,6 +71,8 @@
71 71  * Micro SIM card slot for NB-IoT SIM
72 72  * 8500mAh Battery for long term use
73 73  
72 +
73 +
74 74  == 1.3  Specification ==
75 75  
76 76  
... ... @@ -81,12 +81,12 @@
81 81  
82 82  (% style="color:#037691" %)**NB-IoT Spec:**
83 83  
84 -* - B1 @H-FDD: 2100MHz
85 -* - B3 @H-FDD: 1800MHz
86 -* - B8 @H-FDD: 900MHz
87 -* - B5 @H-FDD: 850MHz
88 -* - B20 @H-FDD: 800MHz
89 -* - B28 @H-FDD: 700MHz
84 +* B1 @H-FDD: 2100MHz
85 +* B3 @H-FDD: 1800MHz
86 +* B8 @H-FDD: 900MHz
87 +* B5 @H-FDD: 850MHz
88 +* B20 @H-FDD: 800MHz
89 +* B28 @H-FDD: 700MHz
90 90  
91 91  (% style="color:#037691" %)**Battery:**
92 92  
... ... @@ -99,8 +99,10 @@
99 99  (% style="color:#037691" %)**Power Consumption**
100 100  
101 101  * STOP Mode: 10uA @ 3.3v
102 -* Max transmit power: 350mA@3.3v
102 +* Max transmit power: [[350mA@3.3v>>mailto:350mA@3.3v]]
103 103  
104 +
105 +
104 104  == ​1.4  Applications ==
105 105  
106 106  
... ... @@ -115,8 +115,6 @@
115 115  ​
116 116  
117 117  
118 -
119 -
120 120  == 1.5  Pin Definitions ==
121 121  
122 122  
... ... @@ -123,10 +123,8 @@
123 123  [[image:1657328609906-564.png]]
124 124  
125 125  
126 -
127 127  = 2.  Use NDDS75 to communicate with IoT Server =
128 128  
129 -
130 130  == 2.1  How it works ==
131 131  
132 132  
... ... @@ -149,10 +149,8 @@
149 149  
150 150  )))
151 151  
152 -
153 153  == 2.2 ​ Configure the NDDS75 ==
154 154  
155 -
156 156  === 2.2.1 Test Requirement ===
157 157  
158 158  
... ... @@ -172,7 +172,6 @@
172 172  [[image:1657328756309-230.png]]
173 173  
174 174  
175 -
176 176  === 2.2.2 Insert SIM card ===
177 177  
178 178  
... ... @@ -188,7 +188,6 @@
188 188  [[image:1657328884227-504.png]]
189 189  
190 190  
191 -
192 192  === 2.2.3 Connect USB – TTL to NDDS75 to configure it ===
193 193  
194 194  
... ... @@ -201,13 +201,13 @@
201 201  [[image:image-20220709092052-2.png]]
202 202  
203 203  
204 -**Connection:**
198 +(% style="color:blue" %)**Connection:**
205 205  
206 - (% style="background-color:yellow" %)USB TTL GND <~-~-~-~-> GND
200 + (% style="background-color:yellow" %)**USB TTL GND <~-~-~-~-> GND**
207 207  
208 - (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD
202 +**~ (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD(%%)**
209 209  
210 - (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD
204 +**~ (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD(%%)**
211 211  
212 212  
213 213  In the PC, use below serial tool settings:
... ... @@ -230,7 +230,6 @@
230 230  )))
231 231  
232 232  
233 -
234 234  === 2.2.4 Use CoAP protocol to uplink data ===
235 235  
236 236  
... ... @@ -245,10 +245,10 @@
245 245  (% style="color:blue" %)**AT+PRO=1**  (%%) ~/~/ Set to use CoAP protocol to uplink
246 246  )))
247 247  * (((
248 -(% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683   ** (%%)~/~/ to set CoAP server address and port
241 +(% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683   ** (%%)~/~/  to set CoAP server address and port
249 249  )))
250 250  * (((
251 -(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/Set COAP resource path
244 +(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/  Set COAP resource path
252 252  
253 253  
254 254  
... ... @@ -256,6 +256,8 @@
256 256  
257 257  (((
258 258  For parameter description, please refer to AT command set
252 +
253 +
259 259  )))
260 260  
261 261  [[image:1657330452568-615.png]]
... ... @@ -264,18 +264,19 @@
264 264  
265 265  (((
266 266  After configure the server address and (% style="color:green" %)**reset the device**(%%) (via AT+ATZ ), NDDS75 will start to uplink sensor values to CoAP server.
262 +
263 +
267 267  )))
268 268  
269 269  [[image:1657330472797-498.png]]
270 270  
271 271  
272 -
273 273  === 2.2.5 Use UDP protocol to uplink data(Default protocol) ===
274 274  
275 275  
276 -* (% style="color:blue" %)**AT+PRO=2   ** (%%) ~/~/ Set to use UDP protocol to uplink
277 -* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5601   ** (%%) ~/~/ to set UDP server address and port
278 -* (% style="color:blue" %)**AT+CFM=1       ** (%%) ~/~/ If the server does not respond, this command is unnecessary
272 +* (% style="color:blue" %)**AT+PRO=2   ** (%%) ~/~/  Set to use UDP protocol to uplink
273 +* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5601   ** (%%) ~/~/  to set UDP server address and port
274 +* (% style="color:blue" %)**AT+CFM=1       ** (%%) ~/~/  If the server does not respond, this command is unnecessary
279 279  
280 280  [[image:1657330501006-241.png]]
281 281  
... ... @@ -283,17 +283,16 @@
283 283  [[image:1657330533775-472.png]]
284 284  
285 285  
286 -
287 287  === 2.2.6 Use MQTT protocol to uplink data ===
288 288  
289 289  
290 -* (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/Set to use MQTT protocol to uplink
291 -* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/Set MQTT server address and port
292 -* (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/Set up the CLIENT of MQTT
293 -* (% style="color:blue" %)**AT+UNAME=UNAME                                **(%%)~/~/Set the username of MQTT
294 -* (% style="color:blue" %)**AT+PWD=PWD                                         **(%%)~/~/Set the password of MQTT
295 -* (% style="color:blue" %)**AT+PUBTOPIC=NDDS75_PUB                 **(%%)~/~/Set the sending topic of MQTT
296 -* (% style="color:blue" %)**AT+SUBTOPIC=NDDS75_SUB          **(%%) ~/~/Set the subscription topic of MQTT
285 +* (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/  Set to use MQTT protocol to uplink
286 +* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/  Set MQTT server address and port
287 +* (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/  Set up the CLIENT of MQTT
288 +* (% style="color:blue" %)**AT+UNAME=UNAME                                **(%%)~/~/  Set the username of MQTT
289 +* (% style="color:blue" %)**AT+PWD=PWD                                         **(%%)~/~/  Set the password of MQTT
290 +* (% style="color:blue" %)**AT+PUBTOPIC=NDDS75_PUB                 **(%%)~/~/  Set the sending topic of MQTT
291 +* (% style="color:blue" %)**AT+SUBTOPIC=NDDS75_SUB          **(%%) ~/~/  Set the subscription topic of MQTT
297 297  
298 298  [[image:1657249978444-674.png]]
299 299  
... ... @@ -306,12 +306,11 @@
306 306  )))
307 307  
308 308  
309 -
310 310  === 2.2.7 Use TCP protocol to uplink data ===
311 311  
312 312  
313 -* (% style="color:blue" %)**AT+PRO=4   ** (%%) ~/~/ Set to use TCP protocol to uplink
314 -* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5600   **(%%) ~/~/ to set TCP server address and port
307 +* (% style="color:blue" %)**AT+PRO=4   ** (%%) ~/~/  Set to use TCP protocol to uplink
308 +* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5600   **(%%) ~/~/  to set TCP server address and port
315 315  
316 316  [[image:image-20220709093918-1.png]]
317 317  
... ... @@ -319,29 +319,31 @@
319 319  [[image:image-20220709093918-2.png]]
320 320  
321 321  
322 -
323 323  === 2.2.8 Change Update Interval ===
324 324  
325 325  
326 326  User can use below command to change the (% style="color:green" %)**uplink interval**.
327 327  
328 -* (% style="color:blue" %)**AT+TDC=600      ** (%%)~/~/ Set Update Interval to 600s
321 +* (% style="color:blue" %)**AT+TDC=600      ** (%%)~/~/  Set Update Interval to 600s
329 329  
330 330  (((
331 -(% style="color:red" %)**NOTE: By default, the device will send an uplink message every 1 hour.**
332 -
333 333  
334 -)))
335 335  
336 -**NOTE:When the firmware version is v1.3.2 and later firmware:**
337 337  
338 -**By default, the device will send an uplink message every 2 hours. Each Uplink Include 8 set of records in this 2 hour (15 minute interval / record).**
327 +(% style="color:red" %)**NOTE:**
339 339  
329 +(% style="color:red" %)**1. By default, the device will send an uplink message every 1 hour.**
340 340  
331 +(% style="color:red" %)**2. When the firmware version is v1.3.2 and later firmware:**
332 +)))
333 +
334 +(% style="color:red" %)**By default, the device will send an uplink message every 2 hours. Each Uplink Include 8 set of records in this 2 hour (15 minute interval / record).**
335 +
336 +
341 341  == 2.3  Uplink Payload ==
342 342  
339 +=== 2.3.1  Before Firmware v1.3.2 ===
343 343  
344 -=== 2.3.1 Before Firmware 1.3.2 ===
345 345  
346 346  In this mode, uplink payload includes in total 14 bytes
347 347  
... ... @@ -352,7 +352,7 @@
352 352  |(% style="width:97px" %)**Value**|(% style="width:83px" %)[[Device ID>>||anchor="H2.4.1A0A0DeviceID"]]|(% style="width:41px" %)[[Ver>>||anchor="H2.4.2A0VersionInfo"]]|(% style="width:46px" %)[[BAT>>||anchor="H2.4.3A0BatteryInfo"]]|(% style="width:123px" %)[[Signal Strength>>||anchor="H2.4.4A0SignalStrength"]]|(% style="width:120px" %)[[Distance (unit: mm)>>||anchor="H2.4.5A0Distance"]]|(% style="width:80px" %)[[Interrupt>>||anchor="H2.4.6A0DigitalInterrupt"]]
353 353  
354 354  (((
355 -If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDDS751 uplink data.
351 +If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDDS75 uplink data.
356 356  )))
357 357  
358 358  
... ... @@ -359,67 +359,72 @@
359 359  [[image:1657331036973-987.png]]
360 360  
361 361  
362 -(((
363 -The payload is ASCII string, representative same HEX:
364 -)))
358 +The payload is **ASCII** string, representative same HEX:
365 365  
366 -(((
367 -0x72403155615900640c6c19029200 where:
368 -)))
360 +(% style="background-color:yellow" %)**0x 724031556159 0064 0c6c 19 0292 00 **
369 369  
370 -* (((
371 -Device ID: 0x724031556159 = 724031556159
372 -)))
373 -* (((
374 -Version: 0x0064=100=1.0.0
375 -)))
362 +**where :**
376 376  
377 -* (((
378 -BAT: 0x0c6c = 3180 mV = 3.180V
379 -)))
380 -* (((
381 -Signal: 0x19 = 25
382 -)))
383 -* (((
384 -Distance: 0x0292= 658 mm
385 -)))
386 -* (((
387 -Interrupt: 0x00 = 0
364 +* (% style="color:#037691" %)**Device ID:**(%%) 0x724031556159 = 724031556159
388 388  
389 -
390 -)))
366 +* (% style="color:#037691" %)**Version:**(%%)  0x0064=100=1.0.0
391 391  
392 -=== **2.3.2 Since firmware v1.3.2** ===
368 +* (% style="color:#037691" %)**BAT:** (%%) 0x0c6c = 3180 mV = 3.180V
393 393  
370 +* (% style="color:#037691" %)**Signal:**(%%)  0x19 = 25
371 +
372 +* (% style="color:#037691" %)**Distance:**  (%%)0x0292= 658 mm
373 +
374 +* (% style="color:#037691" %)**Interrupt:**(%%) 0x00 = 0
375 +
376 +
377 +
378 +=== 2.3.2  Since firmware v1.3.2 ===
379 +
380 +
394 394  In this mode, uplink payload includes 69 bytes in total by default.
395 395  
396 396  Each time the device uploads a data package, 8 sets of recorded data will be attached. Up to 32 sets of recorded data can be uploaded.
397 397  
398 -|**Size(bytes)**|**8**|2|2|1|1|1|2|4|2|4
399 -|**Value**|Device ID|Ver|BAT|Signal Strength|MOD|Interrupt|Distance|Timestamp|Distance|Timestamp.......
385 +(% border="1" style="background-color:#ffffcc; color:green; width:490px" %)
386 +|=(% scope="row" style="width: 60px;" %)**Size(bytes)**|(% style="width:40px" %)**8**|(% style="width:25px" %)**2**|(% style="width:25px" %)**2**|(% style="width:60px" %)**1**|(% style="width:25px" %)**1**|(% style="width:40px" %)**1**|(% style="width:40px" %)**2**|(% style="width:70px" %)**4**|(% style="width:40px" %)**2**|(% style="width:60px" %)**4**
387 +|=(% style="width: 95px;" %)**Value**|(% style="width:84px" %)Device ID|(% style="width:44px" %)Ver|(% style="width:48px" %)BAT|(% style="width:123px" %)Signal Strength|(% style="width:55px" %)MOD|(% style="width:80px" %)Interrupt|(% style="width:77px" %)Distance|(% style="width:94px" %)Timestamp|(% style="width:77px" %)Distance|(% style="width:116px" %)Timestamp.......
400 400  
401 401  If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDDS75 uplink data.
402 402  
403 403  [[image:image-20220908175246-1.png]]
404 404  
393 +
405 405  The payload is ASCII string, representative same HEX:
406 406  
407 -0x(% style="color:red" %)f867787050213317(% style="color:blue" %)0084(% style="color:green" %)0cf4(% style="color:red" %)1e(% style="color:blue" %)01(% style="color:green" %)00(% style="color:red" %)**//00396319bb32//**00396319baf0//**00396319ba3c**//00396319b988//**00396319b8d4**//00396319b820//**00396319b76c**//00396319b6b8//**00396319b604**//(%%) where:
396 +**0x (% style="color:red" %)f867787050213317 (% style="color:blue" %)0084 (% style="color:green" %)0cf4 (% style="color:#00b0f0" %)1e (% style="color:#7030a0" %)01 (% style="color:#d60093" %)00(% style="color:#a14d07" %) 0039 (% style="color:#0020b0" %)6315537b (% style="color:#663300" %)00396319baf0 00396319ba3c 00396319b988 00396319b8d4 00396319b820 00396319b76c 00396319b6b8 00396319b604 (%%)**
408 408  
409 -* (% style="color:green" %)Device ID: f867787050213317 = f867787050213317
410 -* (% style="color:red" %)Version: 0x0084=132=1.3.2
411 -* (% style="color:green" %)BAT: 0x0cf4 = 3316 mV = 3.316V
412 -* (% style="color:blue" %)Singal: 0x1e = 30
413 -* (% style="color:red" %)Mod: 0x01 = 1
414 -* Interrupt: 0x00= 0
415 -* Distance: 0x0039= 57 = 57
416 -* Time stamp : 0x6315537b =1662342011  ([[Unix Epoch Time>>url:http://www.epochconverter.com/]])
417 -* Distance,Time stamp : 00396319baf0
418 -* (% style="color:red" %) 8 sets of recorded data: Distance,Time stamp : //**00396319ba3c**//,.......
398 +**where:**
419 419  
420 -== 2.4  Payload Explanation and Sensor Interface ==
400 +* (% style="color:#037691" %)**Device ID:**(%%) f867787050213317 = f867787050213317
421 421  
402 +* (% style="color:#037691" %)**Version:**(%%) 0x0084=132=1.3.2
422 422  
404 +* (% style="color:#037691" %)**BAT:**(%%)  0x0cf4 = 3316 mV = 3.316V
405 +
406 +* (% style="color:#037691" %)**Singal:**(%%)  0x1e = 30
407 +
408 +* (% style="color:#037691" %)**Mod:**(%%)**     **0x01 = 1
409 +
410 +* (% style="color:#037691" %)**Interrupt:**(%%) 0x00= 0
411 +
412 +* (% style="color:#037691" %)**Distance:**(%%) 0x0039= 57 = 57
413 +
414 +* (% style="color:#037691" %)**Time stamp:**(%%) 0x6315537b =1662342011  ([[Unix Epoch Time>>url:http://www.epochconverter.com/]])
415 +
416 +* (% style="color:#037691" %)**Distance,Time stamp:**(%%) 00396319baf0
417 +
418 +* (% style="color:#037691" %)**8 sets of recorded data: Distance,Time stamp :**(%%) //**00396319ba3c**//,.......
419 +
420 +
421 +
422 +== 2.4  Payload Explanation and Sensor Interface ==
423 +
423 423  === 2.4.1  Device ID ===
424 424  
425 425  
... ... @@ -434,7 +434,7 @@
434 434  )))
435 435  
436 436  (((
437 -**Example:**
438 +(% style="color:blue" %)**Example :**
438 438  )))
439 439  
440 440  (((
... ... @@ -442,20 +442,22 @@
442 442  )))
443 443  
444 444  (((
445 -The Device ID is stored in a none-erase area, Upgrade the firmware or run **AT+FDR** won't erase Device ID.
446 +The Device ID is stored in a none-erase area, Upgrade the firmware or run (% style="color:blue" %)**AT+FDR**(%%) won't erase Device ID.
446 446  )))
447 447  
448 448  
449 -**NOTE:When the firmware version is v1.3.2 and later firmware:**
450 +(% style="color:red" %)**NOTE: When the firmware version is v1.3.2 and later firmware:**
450 450  
451 -By default, the Device ID equal to the last 15 bits of IMEI.
452 +(% style="color:red" %)**By default, the Device ID equal to the last 15 bits of IMEI.**
452 452  
453 -User can use **AT+DEUI** to set Device ID
454 +User can use (% style="color:blue" %)**AT+DEUI**(%%) to set Device ID
454 454  
455 -**Example:**
456 456  
457 +(% style="color:blue" %)**Example :**
458 +
457 457  AT+DEUI=868411056754138
458 458  
461 +
459 459  === 2.4.2  Version Info ===
460 460  
461 461  
... ... @@ -468,7 +468,6 @@
468 468  )))
469 469  
470 470  
471 -
472 472  === 2.4.3  Battery Info ===
473 473  
474 474  
... ... @@ -481,7 +481,6 @@
481 481  )))
482 482  
483 483  
484 -
485 485  === 2.4.4  Signal Strength ===
486 486  
487 487  
... ... @@ -514,7 +514,6 @@
514 514  )))
515 515  
516 516  
517 -
518 518  === 2.4.5  Distance ===
519 519  
520 520  
... ... @@ -534,10 +534,6 @@
534 534  
535 535  )))
536 536  
537 -(((
538 -
539 -)))
540 -
541 541  === 2.4.6  Digital Interrupt ===
542 542  
543 543  
... ... @@ -550,7 +550,7 @@
550 550  )))
551 551  
552 552  (((
553 -(% style="color:blue" %)**AT+INTMOD=3 **(%%) ~/~/(more info about INMOD please refer [[**AT Command Manual**>>url:https://www.dragino.com/downloads/downloads/NB-IoT/NBSN95/DRAGINO_NBSN95-NB_AT%20Commands_v1.1.0.pdf]])**.**
549 +(% style="color:blue" %)**AT+INTMOD=3 **(%%) ~/~/  (more info about INMOD please refer [[**AT Command Manual**>>url:https://www.dragino.com/downloads/downloads/NB-IoT/NBSN95/DRAGINO_NBSN95-NB_AT%20Commands_v1.1.0.pdf]])**.**
554 554  )))
555 555  
556 556  
... ... @@ -572,7 +572,6 @@
572 572  )))
573 573  
574 574  
575 -
576 576  === 2.4.7  ​+5V Output ===
577 577  
578 578  
... ... @@ -598,7 +598,6 @@
598 598  )))
599 599  
600 600  
601 -
602 602  == 2.5  Downlink Payload ==
603 603  
604 604  
... ... @@ -651,12 +651,13 @@
651 651  )))
652 652  
653 653  
654 -== 2.6 Distance alarm function(Since firmware v1.3.2) ==
648 +== 2.6  Distance alarm function(Since firmware v1.3.2) ==
655 655  
656 -➢ AT Command:
657 657  
658 -AT+ LDDSALARM=min,max
651 +(% style="color:blue" %)** ➢ AT Command:**
659 659  
653 +(% style="color:#037691" %)** AT+ LDDSALARM=min,max**
654 +
660 660  ² When min=0, and max≠0, Alarm higher than max
661 661  
662 662  ² When min≠0, and max=0, Alarm lower than min
... ... @@ -663,28 +663,35 @@
663 663  
664 664  ² When min≠0 and max≠0, Alarm higher than max or lower than min
665 665  
666 -Example:
667 667  
668 -AT+ LDDSALARM=260,2000 ~/~/ Alarm when distance lower than 260.
662 +(% style="color:blue" %)** Example:**
669 669  
664 +**AT+ LDDSALARM=260,2000**  ~/~/ Alarm when distance lower than 260.
670 670  
671 -== 2.7 Set the number of data to be uploaded and the recording time ==
672 672  
673 -➢ AT Command:
667 +== 2.7  Set the number of data to be uploaded and the recording time ==
674 674  
675 -AT+TR=900  ~/~/The unit is seconds, and the default is to record data once every 900 seconds.( The minimum can be set to 180 seconds)
676 676  
677 -AT+NOUD=8  ~/~/The device uploads 8 sets of recorded data by default. Up to 32 sets of record data can be uploaded.
670 +(% style="color:blue" %)** ➢ AT Command:**
678 678  
679 -== 2.8 Read or Clear cached data ==
672 +* (% style="color:#037691" %)** AT+TR=900** (%%) ~/~/ The unit is seconds, and the default is to record data once every 900 seconds.( The minimum can be set to 180 seconds)
673 +* (% style="color:#037691" %)** AT+NOUD=8**             (%%) ~/~/  The device uploads 8 sets of recorded data by default. Up to 32 sets of record data can be uploaded.
680 680  
681 -➢ AT Command:
675 + The diagram below explains the relationship between TR, NOUD, and TDC more clearly**:**
682 682  
683 -AT+CDP ~/~/ Read cached data
677 +[[image:image-20221009001114-1.png||height="687" width="955"]]
684 684  
679 +
680 +== 2.8  Read or Clear cached data ==
681 +
682 +
683 +(% style="color:blue" %)** ➢ AT Command:**
684 +
685 +* (% style="color:#037691" %)** AT+CDP ** (%%) ~/~/  Read cached data
686 +* (% style="color:#037691" %)** AT+CDP=0**  (%%) ~/~/  Clear cached data
687 +
685 685  [[image:image-20220908175333-2.png]]
686 686  
687 -AT+CDP=0 ~/~/ Clear cached data
688 688  
689 689  == 2.9  ​LED Indicator ==
690 690  
... ... @@ -702,7 +702,6 @@
702 702  )))
703 703  
704 704  
705 -
706 706  == 2.10  ​Firmware Change Log ==
707 707  
708 708  
... ... @@ -711,100 +711,18 @@
711 711  )))
712 712  
713 713  (((
714 -
715 -)))
716 -
717 -(((
718 718  Upgrade Instruction: [[Upgrade Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]]
719 719  )))
720 720  
721 721  
719 +== 2.11 Battery & Power Consumption ==
722 722  
723 -== 2.11  ​Battery Analysis ==
724 724  
722 +NDDS75 uses ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
725 725  
726 -=== 2.11.1  ​Battery Type ===
724 +[[**Battery Info & Power Consumption Analyze**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
727 727  
728 728  
729 -(((
730 -The NDDS75 battery is a combination of an 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is none-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter.
731 -)))
732 -
733 -(((
734 -The battery is designed to last for several years depends on the actually use environment and update interval. 
735 -)))
736 -
737 -(((
738 -The battery related documents as below:
739 -)))
740 -
741 -* [[Battery Dimension>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
742 -* [[Lithium-Thionyl Chloride Battery datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
743 -* [[Lithium-ion Battery-Capacitor datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
744 -
745 -(((
746 -[[image:image-20220709101450-2.png]]
747 -)))
748 -
749 -
750 -
751 -=== 2.11.2  Power consumption Analyze ===
752 -
753 -
754 -(((
755 -Dragino battery powered product are all runs in Low Power mode. We have an update battery calculator which base on the measurement of the real device. User can use this calculator to check the battery life and calculate the battery life if want to use different transmit interval.
756 -)))
757 -
758 -
759 -(((
760 -Instruction to use as below:
761 -)))
762 -
763 -(((
764 -(% style="color:blue" %)**Step 1:  **(%%)Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from: [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/Battery_Analyze/>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/Battery_Analyze/]]
765 -)))
766 -
767 -
768 -(((
769 -(% style="color:blue" %)**Step 2: **(%%) Open it and choose
770 -)))
771 -
772 -* (((
773 -Product Model
774 -)))
775 -* (((
776 -Uplink Interval
777 -)))
778 -* (((
779 -Working Mode
780 -)))
781 -
782 -(((
783 -And the Life expectation in difference case will be shown on the right.
784 -)))
785 -
786 -[[image:image-20220709110451-3.png]]
787 -
788 -
789 -
790 -=== 2.11.3  ​Battery Note ===
791 -
792 -
793 -(((
794 -The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to transmit LoRa, then the battery life may be decreased.
795 -)))
796 -
797 -
798 -
799 -=== 2.11.4  Replace the battery ===
800 -
801 -
802 -(((
803 -The default battery pack of NDDS75 includes a ER26500 plus super capacitor. If user can't find this pack locally, they can find ER26500 or equivalence without the SPC1520 capacitor, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes).
804 -)))
805 -
806 -
807 -
808 808  = 3. ​ Access NB-IoT Module =
809 809  
810 810  
... ... @@ -821,10 +821,8 @@
821 821  [[image:1657333200519-600.png]]
822 822  
823 823  
824 -
825 825  = 4.  Using the AT Commands =
826 826  
827 -
828 828  == 4.1  Access AT Commands ==
829 829  
830 830  
... ... @@ -831,96 +831,94 @@
831 831  See this link for detail:  [[https:~~/~~/www.dropbox.com/sh/aaq2xcl0bzfu0yd/AAAEAHRa7Io_465ds4Y7-F3aa?dl=0>>https://www.dropbox.com/sh/aaq2xcl0bzfu0yd/AAAEAHRa7Io_465ds4Y7-F3aa?dl=0]]
832 832  
833 833  
834 -AT+<CMD>?  : Help on <CMD>
751 +AT+<CMD>?  :  Help on <CMD>
835 835  
836 -AT+<CMD>         : Run <CMD>
753 +AT+<CMD>         :  Run <CMD>
837 837  
838 -AT+<CMD>=<value> : Set the value
755 +AT+<CMD>=<value> :  Set the value
839 839  
840 -AT+<CMD>=?  : Get the value
757 +AT+<CMD>=?  :  Get the value
841 841  
842 842  
843 843  (% style="color:#037691" %)**General Commands**(%%)      
844 844  
845 -AT  : Attention       
762 +AT  :  Attention       
846 846  
847 -AT?  : Short Help     
764 +AT?  :  Short Help     
848 848  
849 -ATZ  : MCU Reset    
766 +ATZ  :  MCU Reset    
850 850  
851 -AT+TDC  : Application Data Transmission Interval
768 +AT+TDC  :  Application Data Transmission Interval
852 852  
853 -AT+CFG  : Print all configurations
770 +AT+CFG  :  Print all configurations
854 854  
855 -AT+CFGMOD           : Working mode selection
772 +AT+CFGMOD           :  Working mode selection
856 856  
857 -AT+INTMOD            : Set the trigger interrupt mode
774 +AT+INTMOD            :  Set the trigger interrupt mode
858 858  
859 -AT+5VT  : Set extend the time of 5V power  
776 +AT+5VT  :  Set extend the time of 5V power  
860 860  
861 -AT+PRO  : Choose agreement
778 +AT+PRO  :  Choose agreement
862 862  
863 -AT+WEIGRE  : Get weight or set weight to 0
780 +AT+WEIGRE  :  Get weight or set weight to 0
864 864  
865 -AT+WEIGAP  : Get or Set the GapValue of weight
782 +AT+WEIGAP  :  Get or Set the GapValue of weight
866 866  
867 -AT+RXDL  : Extend the sending and receiving time
784 +AT+RXDL  :  Extend the sending and receiving time
868 868  
869 -AT+CNTFAC  : Get or set counting parameters
786 +AT+CNTFAC  :  Get or set counting parameters
870 870  
871 -AT+SERVADDR  : Server Address
788 +AT+SERVADDR  :  Server Address
872 872  
873 -AT+TR      : Get or Set record time"
790 +AT+TR  :  Get or Set record time"
874 874  
875 -AT+APN     : Get or set the APN
792 +AT+APN     :  Get or set the APN
876 876  
877 -AT+FBAND   : Get or Set whether to automatically modify the frequency band
794 +AT+FBAND  :  Get or Set whether to automatically modify the frequency band
878 878  
879 -AT+DNSCFG  : Get or Set DNS Server
796 +AT+DNSCFG  : Get or Set DNS Server
880 880  
881 -AT+GETSENSORVALUE   : Returns the current sensor measurement
798 +AT+GETSENSORVALUE   :  Returns the current sensor measurement
882 882  
883 -AT+NOUD      : Get or Set the number of data to be uploaded
800 +AT+NOUD  :  Get or Set the number of data to be uploaded
884 884  
885 -AT+CDP     : Read or Clear cached data
802 +AT+CDP     :  Read or Clear cached data
886 886  
887 -AT+LDDSALARM : Get or Set alarm of distance
804 +AT+LDDSALARM :  Get or Set alarm of distance
888 888  
889 889  
890 890  (% style="color:#037691" %)**COAP Management**      
891 891  
892 -AT+URI            : Resource parameters
809 +AT+URI            :  Resource parameters
893 893  
894 894  
895 895  (% style="color:#037691" %)**UDP Management**
896 896  
897 -AT+CFM          : Upload confirmation mode (only valid for UDP)
814 +AT+CFM          :  Upload confirmation mode (only valid for UDP)
898 898  
899 899  
900 900  (% style="color:#037691" %)**MQTT Management**
901 901  
902 -AT+CLIENT               : Get or Set MQTT client
819 +AT+CLIENT  :  Get or Set MQTT client
903 903  
904 -AT+UNAME  : Get or Set MQTT Username
821 +AT+UNAME  :  Get or Set MQTT Username
905 905  
906 -AT+PWD                  : Get or Set MQTT password
823 +AT+PWD  :  Get or Set MQTT password
907 907  
908 -AT+PUBTOPIC  : Get or Set MQTT publish topic
825 +AT+PUBTOPIC  :  Get or Set MQTT publish topic
909 909  
910 -AT+SUBTOPIC  : Get or Set MQTT subscription topic
827 +AT+SUBTOPIC  :  Get or Set MQTT subscription topic
911 911  
912 912  
913 913  (% style="color:#037691" %)**Information**          
914 914  
915 -AT+FDR  : Factory Data Reset
832 +AT+FDR  :  Factory Data Reset
916 916  
917 -AT+PWORD  : Serial Access Password
834 +AT+PWORD  :  Serial Access Password
918 918  
919 919  
920 -
921 921  = ​5.  FAQ =
922 922  
923 -
924 924  == 5.1 ​ How to Upgrade Firmware ==
925 925  
926 926  
... ... @@ -937,10 +937,8 @@
937 937  )))
938 938  
939 939  
940 -
941 941  = 6.  Trouble Shooting =
942 942  
943 -
944 944  == 6.1  ​Connection problem when uploading firmware ==
945 945  
946 946  
... ... @@ -953,14 +953,11 @@
953 953  
954 954  )))
955 955  
956 -
957 957  == 6.2  AT Command input doesn't work ==
958 958  
959 959  
960 960  (((
961 961  In the case if user can see the console output but can't type input to the device. Please check if you already include the (% style="color:green" %)**ENTER**(%%) while sending out the command. Some serial tool doesn't send (% style="color:green" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string.
962 -
963 -
964 964  )))
965 965  
966 966  
... ... @@ -970,11 +970,6 @@
970 970  Part Number**:** (% style="color:#4f81bd" %)**NSDDS75**
971 971  
972 972  
973 -(% class="wikigeneratedid" %)
974 -(((
975 -
976 -)))
977 -
978 978  = 8.  Packing Info =
979 979  
980 980  (((
... ... @@ -989,7 +989,6 @@
989 989  (((
990 990  
991 991  
992 -
993 993  (% style="color:#037691" %)**Dimension and weight**:
994 994  
995 995  * Device Size: 13.0 x 5 x 4.5 cm
... ... @@ -1001,7 +1001,6 @@
1001 1001  (((
1002 1002  
1003 1003  
1004 -
1005 1005  
1006 1006  )))
1007 1007  
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